Phonograph.



J. P. OTT. rnunoenun, APPLIOLTIOI FILED IA]. 20, 19118.

Patented Oct. 5, 1909.

O E -M 'To "it Y 1 Be itknownthat I JOHN- on, a citi- "zenoflthe-UnitedStates; and .a resident of f Orange; in the county of Essexand Statejolf New"Jer's ey; have invented certain new and useful "'III'Irov'emen'ts fin Phonographgof V which the ollowi is ade'scription; a

"invention re ates to phono on s. traveling "carriage to which aprogressmtingfeedsci-ew, that the reproducer" or recorder stylus tracesa spiral path with re- *lisuali pra'ctie for ,many years to provide afedjscrewfof 'fine' pitch which advances'the ti-aveling 'cairiage adistanceof 'one onehuudredtliofan i'nch for each revolution oftheinandfelb. hlore recently, however, it has record? infw been found Iich the" record groove has two hundred? turns-- or"th-'reads to' "theinch, '50

that it-i's' d'esirabl'eto provide a phon'ogra h feed ofthe carriageW111 suitable' fol b ratingu onareco'rd of this. fidescriptionll that"there "are already thousands of phonon 'view 0 the ,fact, however,

' graphs" in use in which the feed screw-ad lvanc'es the carriage oneone-hundredth 'of an lnchfper 'mandrel revolutlon,and a vast number-,ofrecords are also ,ln'us'e having a pitch .ofxone one-hundredth of aninch, "1tis t e speed at which it has heretofore been I fdesirable toprovide means which maybejreadil'y apgiliedto such phonographs' where-35 b 'thefee screwniay'be driven-at one-half a driven, suchm'eans alsoperinittin the driv- "ing of the: feed screw at its usua s eed, so

mterprovision of interchangeable means of this 7 j character which'rnaybe readilj applied to a f 'phono'gjr'aphfand in which, when so applied,the parts' inay be readily shifted with respect toheach'j o'thr 'so a'sto drive the feed screw at thedesired';'rate" of speed.

' "structed in jacc'ordance with my invention,'

f Reference is hereby made to the accom- 50 pany ing'; drawing, ofwhich;-

' and Fig.2 is"an'end"elevation ofthe same.

lrn n s i -z "1 v a r s hc i Mermai- Pate ted r E' I Application 'meaJanuary 2 0 least-serum. 4i1,a3a.

i I l aphs of lithetjpe wherein the'sound box 1 s"carried aiveinovfemeht is imparted by means of a ro- V placed at the gossibl'e tomanufacture a sound- "ch a'n e'ablywith sound records havingeither oneundred or two hundred threads per inch, andm'y'i'nvention has for itsobject the.

io J wmm e llemi ibx vaw was: 7 1 I or was]: omen, NEWIJEBSEY,AQOBBOBATIONUENEW JEBSERY a Inboth views corresponding parts-"are formand comprises "a base v1,--to which eured'a fix'ed horizontal pin"orjournaI E;

'by the mandre and. whichreceives' the driving belt 5 is'ri dly securedto th'epulley 4 roshaft. g an thereby'rotatab1y supports the same In conun ction with a similar shown)? A. rotatably sup orts" spur gear -'-1;0fwhich meshes with. tih

etfiapted to be locked to the' gear fL-l'bj'"means o a a which thepin'may be operated; In'the pos are disconnected) The gear 11. :is; witha number of holes I? arrange gconcen trically, saidjholeSbein at thesame .d

pin '13, and-being of the endof-the pin, moved longitudlnallyyits end.will enter one of the SaidhOIes-and will 'loc kjhe'gears'rll and .12together; When thusarrang'edthe inch.

operating .on the ordinary upon whi'chtheimandrel 3' is rotatablysupported, the same being adapted to be driven lpulleyl: secured to oneend of the from the phonograph motor: :A'spur eartates t erewith, Thepin 2 1s secured to the: up'rig'ht 6 which is integral with the'ba'seland vsaid uprightalso carries the pivot 7 which\ enga es one end offth'efeed screw pin 9 iscarried byuthe iipn glii emi' 75 A e gear 5; "The:gear- 110. also" meshes with a 'gea-r'il loosel'ymount'ed the shaft 8.There is another gear 12 which is fixed upon the said shaft :,and;-which'is I in 13' which-i-occupies aohollow rbo'ss j 14 whlch may beintegral with the-gear 12., This pin is formed with a-shou'lder which'preven'ts the same from being-removed froin the said boss and with areduced portion 15 on the end ofwhich 'is a small head 16,I-'b y tion'shown in Fig. 1, the gears 11 andt 12- ro'vided '90 'tance. from" thecenter, o the shaft 8 as-"the a size suitable receive so that when thepi is-- shaft 8 w ll be driven from the pulley. 4 through the gears 5,10', 11, and 12,"and'the same are so proportioned; asjtodriveithe-shaft'8 ata speed suitable for-traversing thesou'ndfbox carriage 18when operating iipon. a record having two hundred threads :to the Inorder that'the shaft, may driven at ,twice the speed,.or a. speedsuitablefor g recordofl one hiindred threads per inch, 1 provide a framedesignated by the same reference numerals; i The phonograph-shown is ofawell-known other end of -the not end of the cross'rod 20which nd theupright 6, said frame 'eing angu- 25, the gears --23 and 24 beingrigidly mounted on one s'tud in the frame 19, gears 22 and 25 .beingmounted on parallel studs," gear 22 meshing with gear 23, and gear 24meshing; with gear 25. "It is obvious that inch.

the gears can be mounted in any convenient mannerso that gears 23 and 24rotate together,- and gears 22 and 25 'rotate independently' of eachother. Vhen the frame 19 occupies the position shown in the drawing thegear 22 meshes j with the gear 11,

and the gear 25 meshes *withthegear 12. In thisposition, in which ofcourse, the in 13 is-Withdrawn from the hole 17 the pul ey 4-drives thescrew Shaft'S 'through the gears 5, 10, 11, 22, 23, 24, 25 and 12, andthe ars are soproportioned thatthe shaft 8 w ll be driven at the properspeed for. traversing.

the sound box carriage when operating upon a recordhavin one hundredthreads to the Obvious y all that is necessary to do, in order toproduce the desired arrangement for operating upon a record having twohundred threads tothe inch is to loosen the set screw 21 and move theframe 19 through "msuflicient angle to release the gears 22 and 25' fromthe gears 11 and 12, then tighten upfthe set screw 21 to hold the framein this po sition,then move the pin' 13 inward until its end enters oneof the openings 17 of the 11, thereby locking the gears 11 and 12 t g UIn'the claims, the term spindle is used to enote a smallcylindrical-chamber which J'either a revolving member, as in the case ofthe feedscrew shaft or spindle, or is fixed or non-revolving, as in thecase of the stationary support on which the mandrel rotates, or in thecase of the guide rod, which supports the traveling carriage.

Having now described my invention, I claim: i

,1. In a phonograph, the combination with the mandrel and feed screwspindle, con stit'uting a pair of revolving members, and a fil pportlngframe atone end of said mem- 139m of a spindle supported by said frame,

a support pivotally mounted on said last named spindle, gear meanscarried. by said support, and an incomplete'gear train connecting saidmandreland feed screw spindle, said support being movable to insert thegear 'means carried thereby into the gear train to complete'the same,substantially as described.

2. .In a phonograph, the combination with the mandrel and feed screwspindle, constituting a pair ofrevolying members, and a supporting frameat one end ef said'mem tion of' said cross rod beyond the frame, gearmeans carried by saidv support, and an drel and said feed screwspindle,-said sup port being movable to insert the gear means carriedthereby into' the ear train tocomplete the same, substantially asdescribed.

the mandrel and eed screw. spindle, constituting a pair of revolvingmembers, and a supporting frame at one end of said members, of a -rodsupported by said frame,

gear means carried by said support, fast members, gear means connectingsaid other member with said loose gear, said gear means carried by saidsupport being movable by the pivotal movement of the support to connectand disconnect said fastand lo gears, substantially as described. '1

4. In a phonogra h, the combination with the mandrel and fbed screwspindle, consupportingframe atone end of said members, of a rodsupported'by said frame, a support pivotally mounted on said rod, gearmeans carried by said support, fast and loose gears co-axial with one ofsaid members, gear means connecting said other member with said loosegear, said gear means carried by said support being movable by thepivotal movement of the support to connect and disconnect said fast andloose ears, and means for lockingtogether said ast and loose gears,substantially as described. A

5; In a phonograph, the combination with the mandrel and feed screwspindle, constituting a pair of revolving members, and a supportingframe at one end of said members, of a s indle carried by said frame, asupsaid members, gear means connecting said other member with said loosegear, said gear means carried by said support being movable I therewithto connect and disconnect said fast and loose gears, substantially asdescribed. Y

6. In a phonograph, the combination with the mandrel and feed screwspindle, constituting a pair of revolving members, and 'a supportlngframe at one end of said members, of gears carried by the said'mernbers, means for connecting them to drivegthe feed spindle from themandrel at a definiteratio, including gear means in mesh withthe mandrelgear, astud carried by said frame, and a pivoted support sleeved thereoncarrying a gear train adapted to be brought into incomplete geartrainconnecting sald'mana support pivotally mounted on ;said rod,

and loose gears co-axial with one' of said stituting a pair of revolvingmembers,iand. a

port mova ly mounted on said last namedbers, of across rod supported bysaid frame, a support plvotally mounted 'ona prolonga- '75 3. In aphonogra' h, :the combination with mesh'yvith the feedscrew gear and thegear I train connecting said i mandrel and; feed means in mesh with themandrel gear to drive the feed spindle from the mandrel at a differentratio, substantially as described.

7. In a phonograph, the combination with a plurality of aralleltransverse spindles,

q a mandrel earned by, one of saidspindles Correction inLetters Patent.N'o.i 936,265:

and one of said spindles having a feed screw out thereon, of asupportpivotally mounted on one ofsaid splndles, gear means carried saidsupport, and-an incomplete gear 1 I screw, said support'being-movable toinsert the gear means carried thereby into the said gear train tocomplete the same, sub- 15 stantlally as described. v r I Thisspecification signed and witneed tl'ns 13 day of Jany., 1908.

r JOHN F. OTT.

Witnesses r H. H. 'DYKE,

FRANK LEWIS.

It is hereby certified that in-Letters Patent N'o. 936,265, grantedOctober 5, 1909,

, upon the application of John F. Qtt, of Qran'e; New Jersey, .for animprovement in p .Phonogr'aphs, an error appears in the printedspecification requiring correction as v follows: Page 2, line 41, theword chambershould, read member; and that the said Letters Patent shouldbe read with this {correction therein that the same may con:

form to the record of the case in the Patent Oflice;

Signed and sealed this 2nd day of November, A. D. 1909.

C. C.. BILLINGS, Acting Commissioner of Patents.

. mesh'yvith the feedscrew gear and the gear I train connecting said imandrel and; feed means in mesh with the mandrel gear to drive the feedspindle from the mandrel at a different ratio, substantially asdescribed.

7. In a phonograph, the combination with a plurality of aralleltransverse spindles,

q a mandrel earned by, one of saidspindles Correction inLetters Patent.N'o.i 936,265:

and one of said spindles having a feed screw out thereon, of asupportpivotally mounted on one ofsaid splndles, gear means carried saidsupport, and-an incomplete gear 1 I screw, said support'being-movable toinsert the gear means carried thereby into the said gear train tocomplete the same, sub- 15 stantlally as described. v r I Thisspecification signed and witneed tl'ns 13 day of Jany., 1908.

r JOHN F. OTT.

Witnesses r H. H. 'DYKE,

FRANK LEWIS.

It is hereby certified that in-Letters Patent N'o. 936,265, grantedOctober 5, 1909,

, upon the application of John F. Qtt, of Qran'e; New Jersey, .for animprovement in p .Phonogr'aphs, an error appears in the printedspecification requiring correction as v follows: Page 2, line 41, theword chambershould, read member; and that the said Letters Patent shouldbe read with this {correction therein that the same may con:

form to the record of the case in the Patent Oflice;

Signed and sealed this 2nd day of November, A. D. 1909.

C. C.. BILLINGS, Acting Commissioner of Patents.

It is hereby certified that in Letters Patent No. 936,265, grantedOctober 5, 1909, upon the application of John F. Ott, (\f Orange, NewJersey, for an improvement in Phonographs, an error appears in theprinted specification requiring correction as follows: Page 2, line 41,the word chamber should read member; and that the said Lettens Patentshould be read with this correction therein that the same may conform tothe record of the case in the Patent Office.

Signed and sealed this 2nd day of November, A. D., 1909.

C. C. BILLINGS,

Acting Commissioner of Patents.

[SEAL]

